/*
 * Copyright (c) 2017, 2021, Oracle and/or its affiliates.
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 * permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided
 * with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written
 * permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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package com.oracle.truffle.llvm.runtime.nodes.asm.support;

import com.oracle.truffle.api.CompilerAsserts;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;

public class LLVMAMD64Target {
    private final Object location;
    private final int shift;

    public LLVMAMD64Target(int location) {
        this(location, 0);
    }

    public LLVMAMD64Target(int location, int shift) {
        this.location = location;
        this.shift = shift;
    }

    public LLVMAMD64Target(LLVMExpressionNode src) {
        location = src;
        shift = 0;
    }

    public LLVMExpressionNode createInput() {
        CompilerAsserts.neverPartOfCompilation();
        if (location instanceof LLVMExpressionNode) {
            return (LLVMExpressionNode) location;
        } else if (location instanceof Integer) {
            return LLVMAMD64FrameSlotNodeGen.create((Integer) location);
        } else {
            throw new IllegalStateException();
        }
    }

    public LLVMAMD64WriteNode createTarget() {
        CompilerAsserts.neverPartOfCompilation();
        return LLVMAMD64WriteNodeGen.create(shift);
    }
}
